Marinavina23
Marinavina23
02-02-2016
Mathematics
contestada
7x+6y=21
X+3y=-12 what is the answer
Respuesta :
Panoyin
Panoyin
02-02-2016
7x + 6y = 21 ⇒ 7x + 6y = 21
1x + 3y = -12 ⇒ 2x + 6y = -24
5x = 45
5 5
x = 9
x + 3y = -12
9 + 3y = -12
- 9 - 9
3y = -21
3 3
y = -7
(x, y) = (9, -7)
Answer Link
VER TODAS LAS RESPUESTAS ( 61+ )
Otras preguntas
In a properly functioning economic market, where does the economic value created by firms go? in other words, who gets it? why?
20 is 50% of what number? If necessary, round to the nearest tenth.
All vehicles whose model year is ________ or older, are not required to have an emissions test
What issue does Nicodemus address with the Jewish authorities in Capernaum, the town he visits? What problem related to major local business does he try to corr
What is the ongoing set of competitive actions and competitive responses that occur among firms as they maneuver for an advantageous market position?
A circular loop of radius r carries a current i. at what distance along the axis of the loop is the magnetic field one-half its value at the center of the loop?
In the wife of bath's tale, what choice does the loathly lady offer the knight, once they are married?
The ability of the body to perform prolonged, large-muscle, dynamic exercise at moderate-to-high intensity is.
The organization-wide view of the entire database that lists all data elements and the relationships between them is called?
According to the diffusion of innovation theory, the largest percentages of people are _________
